<template>
  <div class='wrapper'>
    <swiper :options="swiperOption" v-if="hasImgs">
      <swiper-slide v-for="item of list" :key='item.id'>
        <img class='swiper-img' :src="item.imgUrl" alt="">
      </swiper-slide>
    <div class="swiper-pagination"  slot="pagination"></div>
  </swiper>
  </div>
</template>

<script>
export default {
  name: 'App',
  props: {
    list: Array
  },
  data () {
    return {
      swiperOption: {
        pagination: '.swiper-pagination',
        autoplay: 3000,
        loop: true
      }
    }
  },
  computed: {
    hasImgs () {
      if (this.list.length > 0) {
        return true
      }
      return false
    }
  }
}
</script>

<style lang='stylus' scoped>
.wrapper >>> .swiper-pagination-bullet-active
  background #fff
.wrapper
  height 0
  padding-bottom 31.25%
  overflow hidden
  background green
  .swiper-img
    width 100%
</style>
